When is the last frost in Richmond Heights, MO?

The average last spring frost date in Richmond Heights, MO is Apr 7. This is when it is generally safe to plant frost-sensitive vegetables and flowers outdoors.

When is the first frost in Richmond Heights, MO?

The average first fall frost date in Richmond Heights, MO is Oct 31. Plan to harvest frost-sensitive crops before this date.

How long is the growing season in Richmond Heights, MO?

The growing season in Richmond Heights, MO is approximately 206 days, measured from the last spring frost to the first fall frost.

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Frost Dates for Richmond Heights, MO

Location Richmond Heights, MO

Frost Dates

Richmond Heights, MO

Use our 2026 Frost Dates Calculator to find the first fall frost and last spring frost dates for your area, based on historical climate data from the weather station nearest your ZIP or Postal Code.

Nearest Climate Station	Altitude	Last Spring Frost	First Fall Frost	Growing Season
ST LOUIS SCI CTR, MO	515'	Apr 7	Oct 31	206 days

Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA.

There is a 3 in 10 chance of temperatures reaching 32°F (0°C) or lower after the listed spring date or before the listed fall date. Use these dates as a guide, not a guarantee.